Arc 3Training Across Timelines
Goku trained Vegeta, Raditz, Nappa, Gohan, and Trunks, then helped save the future timeline from the androids. Back home, he brought Gohan to school and began training with Whis while pursuing mastery of time and a higher dimension.
- Goku helped Vegeta achieve Super Saiyan, then trained until he reached Super Saiyan God and helped Raditz and Nappa fuse into Natz for a fight.
- Trunks arrived from the future with medicine for Goku, and Goku traveled with him to meet Future Gohan and Bulma.
- Goku restored Gohan’s missing arm through Porunga, then trained Gohan and Trunks in the Hyperbolic Time Chamber until they could face the androids.
- Gohan and Trunks defeated Androids 17 and 18, and Goku left the future timeline after giving them a cultivation method and warning them about an evil version of himself dressed in black.
- Back home, Goku enrolled Gohan in school, where he met Videl, and Bulma used Future Bulma’s notebook to build an upgraded gravity bracelet.
- Goku mastered Full Power Super Saiyan Blue and persuaded Whis to train him, agreeing to visit the God of Destruction’s Planet while returning to Earth each night.
- Whis told Goku to focus on the Power of Time and his dimension, and Goku developed Super Saiyan 4 Limit Breaker before returning to Earth.